In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest time of day to fly from DCA to KEF?

When flying from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?

Yes. In addition to deals on Reagan-National to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Keflavik Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Keflavik Intl.

Can I find deals for business class flights from Reagan-National to Keflavik Intl?

Yes. Cheapflights offers flight deals from Reagan-National to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$390+ Flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Reagan-National to Keflavik Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Reagan-National to Keflavik Intl

Cheapest flights from Reagan-National to Keflavik Intl
Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

Tue 12/304:45 pmDCA - KEF

1 stop8h 20mIcelandair

Mon 1/125:00 pmKEF - DCA

1 stop9h 45mIcelandair

Deal found 12/21

$1,045

Fri 12/191:05 pmDCA - KEF

1 stop12h 10mMultiple Airlines

Sun 1/185:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/19

$1,286

Wed 12/248:54 pmDCA - KEF

1 stop28h 11mMultiple Airlines

Sat 12/274:50 pmKEF - DCA

1 stop10h 56mMultiple Airlines

Deal found 12/19

$1,374

Thu 12/2511:20 amDCA - KEF

1 stop13h 45mMultiple Airlines

Sun 12/284:50 pmKEF - DCA

1 stop10h 56mMultiple Airlines

Deal found 12/19

$1,383

Wed 12/241:15 pmDCA - KEF

1 stop12h 00mMultiple Airlines

Sun 12/284:50 pmKEF - DCA

1 stop10h 56mMultiple Airlines

Deal found 12/19

$1,419

Tue 12/234:45 pmDCA - KEF

1 stop8h 20mMultiple Airlines

Sun 12/284:50 pmKEF - DCA

1 stop10h 56mMultiple Airlines

Deal found 12/21

$1,439

Thu 12/2511:20 amDCA - KEF

1 stop13h 45mMultiple Airlines

Mon 12/294:50 pmKEF - DCA

1 stop10h 56mMultiple Airlines

Deal found 12/18

$1,483

Tue 12/234:45 pmDCA - KEF

1 stop8h 20mMultiple Airlines

Fri 12/264:50 pmKEF - DCA

1 stop10h 56mMultiple Airlines

Deal found 12/21

$1,499

Tue 12/2311:20 amDCA - KEF

1 stop13h 45mMultiple Airlines

Sat 12/274:50 pmKEF - DCA

1 stop10h 56mMultiple Airlines

Deal found 12/21

$1,513

Best flights from Reagan-National to Keflavik Intl
Discover carefully curated flight deals from Reagan-National to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 21, 2025.

Tue 4/215:00 pmDCA - KEF

1 stop12h 30mDelta

Sun 4/2611:25 amKEF - DCA

1 stop10h 46mDelta

Deal found 12/19

$538

Sat 4/1111:00 amDCA - KEF

1 stop18h 30mMultiple Airlines

Sat 4/1811:25 amKEF - DCA

1 stop9h 35mMultiple Airlines

Deal found 12/21

$538

Wed 4/811:00 amDCA - KEF

1 stop18h 30mVirgin Atlantic

Mon 4/1311:25 amKEF - DCA

1 stop15h 18mVirgin Atlantic

Deal found 12/20

$538

Tue 4/215:00 pmDCA - KEF

1 stop12h 30mKLM

Thu 4/3011:25 amKEF - DCA

1 stop10h 46mKLM

Deal found 12/19

$538

Mon 4/205:00 pmDCA - KEF

1 stop12h 30mDelta

Thu 4/3011:25 amKEF - DCA

1 stop15h 47mDelta

Deal found 12/19

$538

Mon 4/611:00 amDCA - KEF

1 stop18h 30mVirgin Atlantic

Mon 4/1311:25 amKEF - DCA

1 stop15h 18mVirgin Atlantic

Deal found 12/20

$538

Tue 4/2111:00 amDCA - KEF

1 stop18h 30mDelta

Mon 4/2711:25 amKEF - DCA

1 stop10h 46mDelta

Deal found 12/19

$538

Fri 4/2411:00 amDCA - KEF

1 stop18h 30mDelta

Sun 4/2611:25 amKEF - DCA

1 stop10h 46mDelta

Deal found 12/19

$538

Sun 4/125:05 pmDCA - KEF

1 stop12h 25mDelta

Sun 4/2611:25 amKEF - DCA

1 stop15h 47mDelta

Deal found 12/20

$538

Mon 4/205:00 pmDCA - KEF

1 stop12h 30mDelta

Mon 4/2711:25 amKEF - DCA

1 stop15h 47mDelta

Deal found 12/19

$538

Fri 4/245:00 pmDCA - KEF

1 stop12h 30mDelta

Thu 4/3011:25 amKEF - DCA

1 stop15h 47mDelta

Deal found 12/19

$538

Thu 4/235:00 pmDCA - KEF

1 stop12h 30mDelta

Mon 4/2711:25 amKEF - DCA

1 stop10h 46mDelta

Deal found 12/19

$538

Last-minute flights from Reagan-National to Keflavik Intl
Discover last-minute flight deals from Reagan-National to Keflavik Intl. Data last updated December 21, 2025 and is based on user searches.

Wed 1/73:25 pmDCA - KEF

1 stop9h 40mMultiple Airlines

Wed 1/145:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/18

$635

Sat 1/103:25 pmDCA - KEF

1 stop9h 40mMultiple Airlines

Fri 1/165:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/21

$632

Mon 1/1210:05 amDCA - KEF

1 stop15h 00mMultiple Airlines

Fri 1/165:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/20

$644

Fri 1/168:55 pmDCA - KEF

1 stop28h 10mMultiple Airlines

Wed 1/215:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/19

$642

Wed 1/2111:10 amDCA - KEF

2 stops18h 35mScandinavian Airlines

Mon 1/263:40 pmKEF - DCA

2 stops33h 12mScandinavian Airlines

Deal found 12/19

$626

Fri 1/2311:10 amDCA - KEF

2 stops18h 30mScandinavian Airlines

Mon 1/263:40 pmKEF - DCA

2 stops36h 08mScandinavian Airlines

Deal found 12/21

$592

Fri 1/2311:10 amDCA - KEF

2 stops18h 30mScandinavian Airlines

Sun 1/254:15 pmKEF - DCA

2 stops35h 33mScandinavian Airlines

Deal found 12/21

$622

Fri 1/233:25 pmDCA - KEF

1 stop9h 40mMultiple Airlines

Tue 1/275:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/19

$630

Fri 1/233:25 pmDCA - KEF

1 stop9h 40mMultiple Airlines

Mon 1/265:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/19

$640

Sat 1/2412:20 pmDCA - KEF

1 stop12h 45mMultiple Airlines

Sat 1/315:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/19

$621

One-way flights from Reagan-National to Keflavik Intl
Search for one-way flight options from Reagan-National to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated December 21, 2025.

Tue 2/1711:05 amDCA - KEF

2 stops21h 00mMultiple Airlines

Deal found 12/20

$392

Tue 1/203:25 pmDCA - KEF

1 stop9h 40mIcelandair

Deal found 12/19

$406

Wed 2/411:11 amDCA - KEF

2 stops18h 34mScandinavian Airlines

Deal found 12/20

$409

Sun 2/111:11 amDCA - KEF

2 stops18h 34mScandinavian Airlines

Deal found 12/20

$414

Sun 2/2211:06 amDCA - KEF

3 stops48h 19mMultiple Airlines

Deal found 12/21

$483

Tue 1/2011:05 amDCA - KEF

2 stops14h 20mMultiple Airlines

Deal found 12/19

$484

Fri 2/2012:55 pmDCA - KEF

2 stops25h 10mMultiple Airlines

Deal found 12/20

$502

Tue 2/311:05 amDCA - KEF

3 stops32h 10mMultiple Airlines

Deal found 12/19

$513

Sun 2/222:05 pmDCA - KEF

1 stop11h 00mIcelandair

Deal found 12/21

$537

Thu 1/18:51 pmDCA - KEF

1 stop28h 14mMultiple Airlines

Deal found 12/19

$549

Find flight deals from Reagan-National to Keflavik Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$592 (FlightHub)
One-way from	$392 (Gotogate)
Popular in	December
Cheapest in	October
Average price	$699

Provider with most accurate pricing for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flights.

Search Deals

From Washington, D.C. Reagan-National to Reykjavik Keflavik Intl

Search Deals

One-way flight from Washington, D.C. Reagan-National to Reykjavik Keflavik Intl

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($43 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 4/21

5:00 pm-9:30 am

1 stop12h 30m

Reykjavik Keflavik Intl

Sun 4/26

11:25 am-6:11 pm

1 stop10h 46m

$538

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sat 4/11

11:00 am-9:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

Sat 4/18

11:25 am-5:00 pm

1 stop9h 35m

$538

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 4/8

11:00 am-9:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

Mon 4/13

11:25 am-10:43 pm

1 stop15h 18m

$538

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 4/21

5:00 pm-9:30 am

1 stop12h 30m

Reykjavik Keflavik Intl

Thu 4/30

11:25 am-6:11 pm

1 stop10h 46m

$538

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Mon 4/20

5:00 pm-9:30 am

1 stop12h 30m

Reykjavik Keflavik Intl

Thu 4/30

11:25 am-11:12 pm

1 stop15h 47m

$538

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Mon 4/6

11:00 am-9:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

Mon 4/13

11:25 am-10:43 pm

1 stop15h 18m

$538

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 4/21

11:00 am-9:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

Mon 4/27

11:25 am-6:11 pm

1 stop10h 46m

$538

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 4/24

11:00 am-9:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

Sun 4/26

11:25 am-6:11 pm

1 stop10h 46m

$538

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sun 4/12

5:05 pm-9:30 am

1 stop12h 25m

Reykjavik Keflavik Intl

Sun 4/26

11:25 am-11:12 pm

1 stop15h 47m

$538

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Mon 4/20

5:00 pm-9:30 am

1 stop12h 30m

Reykjavik Keflavik Intl

Mon 4/27

11:25 am-11:12 pm

1 stop15h 47m

$538

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 24 results

Compare providers for flights from Reagan-National to Keflavik Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Keflavik Intl in December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Reagan-National with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?
Airlines like Delta fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport in about 12h 30m. The time it takes to get you to your destination can typically vary by up to . Washington, D.C. Reagan-National Airport and Reykjavik Keflavik Intl Airport are separated by a distance of 2784 mi.
Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?
Yes. In addition to deals on Reagan-National to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Keflavik Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Keflavik Intl.
Can I find deals for business class flights from Reagan-National to Keflavik Intl?
Yes. Cheapflights offers flight deals from Reagan-National to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Keflavik

Hveragerdi

Browse thousands of different options on Cheapflights for your next trip

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$390+ Cheap flights from Reagan-National (DCA) to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Keflavik Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Keflavik Intl

Cheapest flights from Reagan-National to Keflavik IntlExplore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

Find flight deals from Reagan-National to Keflavik Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport that are best for you.

Compare providers for flights from Reagan-National to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Keflavik Intl in December.

Best time to book a flight from Reagan-National to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Reagan-National with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?

How can I find direct flights from Reagan-National to Keflavik Intl?

Can I find deals for business class flights from Reagan-National to Keflavik Intl?

Traveling to a place near Reykjavik Keflavik Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Reagan-National to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Reagan-National to Keflavik Intl
Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.